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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 555shield] (ARTHRO: Insecta) The scutellum <strong>of</strong> the mesothorax,usually referred to as scutellum.mesoscutum n. [Gr. mesos, middle; L. scutum, shield] (AR-THRO: Insecta) The scutum <strong>of</strong> the mesothorax.mesoseries n. [Gr. mesos, middle; L. series, row] (ARTHRO:Insecta) In larva, a band <strong>of</strong> crochets or hooks extendinglongitudinally on the mesal side <strong>of</strong> a proleg; when curved,varying from a quadrant to slightly more than a semicirclein extent, seldom exceeding two-thirds <strong>of</strong> a circle.mesosoma n. [Gr. mesos, middle; soma, body] 1. The middlepart <strong>of</strong> an invertebrate's body. 2. (ARTHRO: Chelicerata) InArachnida, the anterior portion <strong>of</strong> the abdomen, <strong>of</strong>tenclearly set <strong>of</strong>f from the metasoma. 3. (ARTHRO: Insecta)For Hymenoptera, see alitrunk. 4. (POGON) The shortfrenular region <strong>of</strong> the body.mesosome n. [Gr. mesos, middle; soma, body] (ARTHRO:Crustacea) A collective term for all free thoracic somitesbehind the head.mesospermalege n. [Gr. mesos, middle; sperma, seed; L.legere, to gather] (ARTHRO: Insecta) A special pouch incertain females for reception <strong>of</strong> sperm; Ribaga's or Berlese'sorgan.mesosternal cavity (ARTHRO: Insecta) In Elateridae, theopening into which the prosternal process catches.mesosternellum n. [Gr. mesos, middle; L. dim. sternum,breast bone] (ARTHRO: Insecta) A small rod-like plate thatarticulates posteriorly with the mesosternum.mesosternum n. [Gr. mesos, middle; sternon, breast] 1. (AR-THRO: Crustacea) In some Decapoda Brachyura, the medianplate <strong>of</strong> the sternum. 2. (ARTHRO: Insecta) In Hymenoptera,the ventral part <strong>of</strong> the mesothorax; between thefore and mid-coxae.mesostome, mesostom n. [Gr. mesos, middle; stoma,mouth] (NEMATA) A division <strong>of</strong> the protostome precededanteriorly by the prostome and posteriorly by the metastome.see prostome.mesostracum n. [Gr. mesos, middle; ostrakon, shell] (MOLL:Polyplacorphora) A calcareous shell layer between the teg-

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